arm: dts: imx8m*-venice-gw72xx: add TPM device

The GW71xx baseboard has a TPM that defined in the upstream dt however
we need to ensure the GPIO reset line is de-asserted which we do in boot
firmware with a gpio hog.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
diff --git a/arch/arm/dts/imx8mm-venice-gw71xx-0x-u-boot.dtsi b/arch/arm/dts/imx8mm-venice-gw71xx-0x-u-boot.dtsi
index b359233..07789c8 100644
--- a/arch/arm/dts/imx8mm-venice-gw71xx-0x-u-boot.dtsi
+++ b/arch/arm/dts/imx8mm-venice-gw71xx-0x-u-boot.dtsi
@@ -25,6 +25,13 @@
 		gpios = <9 GPIO_ACTIVE_HIGH>;
 		line-name = "dio1";
 	};
+
+	tpm_rst {
+		gpio-hog;
+		output-high;
+		gpios = <11 GPIO_ACTIVE_HIGH>;
+		line-name = "tpm_rst#";
+	};
 };
 
 &gpio4 {